package com.zeldu.video.service;


import com.zeldu.video.pojo.Video;

import java.util.List;


public interface VideoService {

    List<Video> queryAll();

    List<Video> queryRecorded(Long course_id, Long id);

    List<Video> queryLive(Long course_id);

    int addVideo(Video video);

    List<Video> queryOnce(Long id);

    int delVideo(Long id);

    List<Video> queryRecordedNew(Long course_id);
}
